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Software Security Week 5 Project3 Quiz Answer

In this article i am gone to share Coursera Course Software Security Week 5 Project 3 Quiz Answer with you..

Software Security Week 5 Project 3

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Project 3 Quiz Answer

Question 1) How many iterations does it take the fuzzer to find the bug (i.e., record a crash)? What is the string that it discovers crashes the program?

Answer: 0

Question 2) how many iterations?

Answer: 1000

Question 3) Name one symbolic variable that was set in the path condition identified by KLEE that crashes wisdom-alt2

Answer: buf

Question 4) Name another symbolic variable set in the path condition identified by KLEE that crashes wisdom-alt2.

Answer: r

Question 5)Which symbolic variables were involved (AAAAAA and BBBBBB in the above)?

Answer: buf, x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00

Question 6) What was their contents (XXXXXXXX in the above)?

Answer: x00x00x00x00

Question 7) What was the data (the XXXXetc. part, not including any x00x00 parts, if any) for the program object?

Answer: sddwddddssssddwwww

Question 8) If you run the symbolic maze program so that it finds all solutions, not just one, how many are there?


Question 9) There was a bug in the maze program that allows the player to walk through walls. What line in maze-sym.c is the bug on? (If there are multiple lines, pick one of them.)

Answer: 113